Home / 1,116,619,725.08-1,675,111,382.40-329,752,968.68

Finding the Fourth Proportional to 1,116,619,725.08, 1,675,111,382.40 and 329,752,968.68

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Solution

The fourth proportional to 1,116,619,725.08, 1,675,111,382.40 and 329,752,968.68 is: 494,683,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,619,725.08 : 1,675,111,382.40 = 329,752,968.68 : x
  2. Step 2: Convert to fraction form
    1,116,619,725.08/1,675,111,382.40 = 329,752,968.68/x
  3. Step 3: Cross multiply
    1,116,619,725.08x = 1,675,111,382.40 × 329,752,968.68
  4. Step 4: Simplify right side
    1,116,619,725.08x = 552,372,951,216,058,752
  5. Step 5: Solve for x
    x = 552,372,951,216,058,752/1,116,619,725.08
  6. Step 6: Final answer
    x = 494,683,139.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.